Search found 33 matches

by debenham
Thu Feb 20, 2014 2:59 am
Forum: 4x4x4 RGB Cube
Topic: Connecting Multiple Cube4's
Replies: 2
Views: 2308

Re: Connecting Multiple Cube4's

I have just got 2 cubes as well so have begun working on just this issue. I can link 2 cubes fairly well by chaining power+ground from one to the next, and then using two outputs on the first cube as a SoftwareSerial port connected to the second cube. I even created a custom command as 'setpixels' t...
by debenham
Wed Oct 24, 2012 1:50 am
Forum: Dot Matrix Display
Topic: DMD with RaspberryPi
Replies: 8
Views: 6401

Re: DMD with RaspberryPi

Dennis - are you able to try set those outputs to 3.3v and see if it still works?
That way I'd at least be able to tell if the problem is the voltage or with my code ;)
by debenham
Tue Oct 23, 2012 1:28 am
Forum: Dot Matrix Display
Topic: DMD with RaspberryPi
Replies: 8
Views: 6401

Re: DMD with RaspberryPi

I gave that a try (and various other combinations) but with no success :(
I also tried removing the sleep call in the dmd_test.c file in case that was the problem but no change :(
Does the maximite use 5v or 3.3v?
by debenham
Wed Oct 10, 2012 3:26 am
Forum: Dot Matrix Display
Topic: DMD and sparkfun MP3 shield
Replies: 3
Views: 2751

Re: DMD and sparkfun MP3 shield

I'd actually be thinking that the conflict is the two devices not sharing SPI nicely.
From memory there was an example or two of using the sparkfun MP3 shield with data stored in the arduino code itself (and so not using the SD card via SPI)
Give that a try and see if that is where the conflict lies
by debenham
Fri Oct 05, 2012 11:55 pm
Forum: Dot Matrix Display
Topic: DMD with RaspberryPi
Replies: 8
Views: 6401

Re: DMD with RaspberryPi

Attached is the C-code version of my test code. It uses wiringPi since that can take care of pin access. I also wrote a version of it just using the gpio command in a shell script. #!/bin/sh A=0 B=1 SCLK=3 NOE=4 CLK=14 R_DATA=12 gpio mode $A out gpio mode $B out gpio mode $SCLK out gpio mode $NOE ou...
by debenham
Thu Oct 04, 2012 11:27 pm
Forum: Dot Matrix Display
Topic: DMD with RaspberryPi
Replies: 8
Views: 6401

DMD with RaspberryPi

At home I had a bunch of DMD panels and a RaspberryPi sitting idle so I figured it would be nice to link them up. I made up an adapter cable (by cutting an old IDE cable up and soldering the relevant lines to the DMD adapter plug that comes with the board. I tested the cable by manually triggering e...
by debenham
Mon May 28, 2012 4:28 am
Forum: LeoStick
Topic: USB-Rubber Ducky scripts on Arduino/LeoStick
Replies: 4
Views: 4976

Re: USB-Rubber Ducky scripts on Arduino/LeoStick

I grabbed them from https://www.sparkfun.com/tutorials/337
On that page there is a link to http://www.usb.org/developers/devclass_ ... 1_12v2.pdf which contains all the values
by debenham
Mon May 21, 2012 2:33 am
Forum: LeoStick
Topic: USB-Rubber Ducky scripts on Arduino/LeoStick
Replies: 4
Views: 4976

USB-Rubber Ducky scripts on Arduino/LeoStick

The other day I was at Jaycar and saw that they are now selling small USB sticks that are arduino compatible. It is called the LeoStick and is made by Freetronics down in Melbourne. Seeing that it could pretend to be a USB HID device (ie keyboard/mouse) I wondered if I could do the sort of thing tha...
by debenham
Thu Apr 26, 2012 4:31 am
Forum: Dot Matrix Display
Topic: Modified DMD library
Replies: 21
Views: 25946

Re: Modified DMD library

I have made some more additions to my version of the DMD library - it now supports multiple buffers and can even transition between them.
Video available at https://www.youtube.com/watch?v=s4Qjski-WMY
Info/source code available on my blog at http://www.adebenham.com/2012/04/dmd-sc ... ansitions/
by debenham
Mon Mar 26, 2012 2:11 am
Forum: Dot Matrix Display
Topic: DMD PWM
Replies: 25
Views: 16109

Re: DMD PWM

My version of the DMD library does support grayscale/PWM (see other thread in this forum for details or http://www.adebenham.com/category/arduino/dmd/ )
Some more work needs to be done to get it working nicer but should be a good starting point.